Acquisition (Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination) (Details) (USD $) In Thousands, unless otherwise specified	0 Months Ended
	Aug. 21, 2014
Wolfson [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	$ 175,987
Developed technology [Member]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	6 years 2 months 12 days
Developed technology [Member] | Wolfson [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	74,247
Technology intellectual property [Member]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	5 years 3 months 18 days
Technology intellectual property [Member] | Wolfson [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	14,572
Trademark [Member]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	1 year 3 months 18 days
Trademark [Member] | Wolfson [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	1,437
In-process research & development [Member]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	7 years 6 months
In-process research & development [Member] | Wolfson [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	72,750
Customer relationships [Member]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	10 years
Customer relationships [Member] | Wolfson [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	$ 12,981